IntroductionWheel Bolt Versions
Shank Designs
There are two shank designs: rounded and conical.
The rounded shank has a curved surface
-arrow A-. This design was used for original rims.
The conic ...
Technical Requirements
Factory-Installed Trailer Hitch
If the vehicle was already delivered from the factory with a
trailer hitch, all of the technical and legal requirements for
towing a trailer have already been taken into account.
Note that a »13-pin« trailer ...
Engine Cooling
Because towing places higher demands on the engine cooling
system, the cooling system is enhanced in vehicles that have
factory-installed trailer hitches, if necessary. This is done by
installing a stronger or a second coolant fan and/or a larger
radiato ...